data communication and networking notes for bsc
Data Access and Networking
Ngày tải lên :
05/10/2013, 03:20
... ■ DATA ACCESS AND NETWORKING
147
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11. Save the MainPage.xaml file and ... List<StartingHands> GetHands()
{
List<StartingHands> hands = new List<StartingHands>();
hands.Add(
new StartingHands()
{
Nickname = "Big Slick",
Notes = "Also...
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Data communications and Networking
Ngày tải lên :
28/02/2014, 17:08
... Crawfordsville,
IN
Library ofCongress
Cataloging-in~Publication
Data
Forouzan, Behrouz A.
Data communications and networking
I Behrouz A Forouzan. - 4th ed.
p. em.
- (McGraw-HilI Forouzan networking ... public networks, telephone and cable
TV,
can
be
used for data transfer.
McGraw-Hill Forouzan Networking Series
Titles
by
Behrouz A. Forouzan:
Data Communications
and
Networking
TCPflP Protocol ... discussed: data communications, networking, protocols and standards,
and networking models.
Networks exist so that data may be sent from one place to
another-the
basic con-
cept
of
data communications.
To
fully...
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Data Mining: Introduction Lecture Notes for Chapter 1 Introduction to Data Mining ppt
Ngày tải lên :
15/03/2014, 09:20
... Introduction to Data Mining 29
Challenges of Data Mining
Scalability
Dimensionality
Complex and Heterogeneous Data
Data Quality
Data Ownership and Distribution
Privacy Preservation
Streaming Data
© ... of data
Traditional techniques infeasible for raw data
Data mining may help scientists
–
in classifying and segmenting data
–
in Hypothesis Formation
© Tan,Steinbach, Kumar Introduction to Data ... Data Mining 1
Data Mining: Introduction
Lecture Notes for Chapter 1
Introduction to Data Mining
by
Tan, Steinbach, Kumar
© Tan,Steinbach, Kumar Introduction to Data Mining 8
Data Mining Tasks
Prediction...
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Data Mining Classification: Basic Concepts, Decision Trees, and Model Evaluation Lecture Notes for Chapter 4 Introduction to Data Mining pptx
Ngày tải lên :
15/03/2014, 09:20
... to Data Mining 49
Example: C4.5
Simple depth-first construction.
Uses Information Gain
Sorts Continuous Attributes at each node.
Needs entire data to fit in memory.
Unsuitable for Large Datasets.
–
Needs ... it
–
Class counts in each of the
partitions, A < v and A ≥ v
Simple method to choose best v
–
For each v, scan the database to
gather count matrix and compute its
Gini index
–
Computationally Inefficient! ... comparable to other classification
techniques for many simple data sets
© Tan,Steinbach, Kumar Introduction to Data Mining 9
Apply Model to Test Data
Refund
MarSt
TaxInc
YES
NO
NO
NO
Yes No
Married...
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Data Mining Association Analysis: Basic Concepts and Algorithms Lecture Notes for Chapter 6 Introduction to Data Mining pdf
Ngày tải lên :
15/03/2014, 09:20
... Specific-to-general
Data Mining
Association Analysis: Basic Concepts
and Algorithms
Lecture Notes for Chapter 6
Introduction to Data Mining
by
Tan, Steinbach, Kumar
â Tan,Steinbach, Kumar Introduction to Data ... {}
Original Database:
Projected Database
for node A:
For each transaction T, projected transaction at node A is T ∩ E(A)
© Tan,Steinbach, Kumar Introduction to Data Mining 48
Rule Generation for ... may decouple the support and confidence requirements
© Tan,Steinbach, Kumar Introduction to Data Mining 16
Reducing Number of Comparisons
Candidate counting:
–
Scan the database of transactions...
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Data Mining Association Rules: Advanced Concepts and Algorithms Lecture Notes for Chapter 7 Introduction to Data Mining docx
Ngày tải lên :
15/03/2014, 09:20
... Counting:
ã
Make a new pass over the sequence database D to find the support
for these candidate sequences
Candidate Elimination:
ã
Eliminate candidate k-sequences whose actual support is less ... are found
Candidate Generation:
ã
Merge pairs of frequent subsequences found in the (k-1)th pass to
generate candidate sequences that contain k items
Candidate Pruning:
ã
Prune candidate k-sequences ... Introduction to Data Mining 23
Multi-level Association Rules
How do support and confidence vary as we traverse
the concept hierarchy?
–
If X is the parent item for both X1 and X2, then
σ(X)...
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Conventional Providing a Uniform Law for Bill of exchange and Promissory Notes
Ngày tải lên :
22/10/2013, 10:15
... endorsement before maturity. Nevertheless an
endorsement after protest for non-payment, or after the
67
Conventional Providing a Uniform Law for
Bill of exchange and Promissory Notes
where, ... 67 and 68);
309
Alterations (Article 69);
310
Limitation of actions (Articles 70 and 71);
311
Holidays, computation of limits of time and prohibition
of days of grace (Articles 72, 73 and ... evidenced
by an authentic act (protest for non-acceptance or non-
payment).
162
Protest for non-acceptance must be made within the
limit of time fixed for presentment for acceptance. If in
the case...
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Tài liệu Lecture 14: The Theoretical Basis for Data Communication: pptx
Ngày tải lên :
10/12/2013, 08:15
... components in the range of 60 Hz to 4 MHz.
The bandwidth is almost 4 MHz. With guard bands the standard bandwidth for colour video signaling
is 6 MHz.
Signal Bandwidth
Telephone speech 3.1 kHz
Hi-fi ... bandwidth of 4000Hz, which includes a guard band at top
(600Hz) and bottom (300Hz) to prevent interference. This limit on bandwidth is imposed by the
telephone and the switching equipment used in the ... over time. That is 2, 4, 8 and 16
bits has been transmitted per signal unit. So, the baud rate and the bit rate are no longer the same.
Power in Telecommunications and Decibels:
Power is...
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Tài liệu TrueNet® Fiber Plug-and-Play Solutions for Data Center Applications Engineered for Uptime™ doc
Ngày tải lên :
17/01/2014, 12:20
... Connectivity method A for duplex signals
TrueNet
đ
Fiber Plug -and- Play Solutions for Data Center Applications
Engineered for Uptime
FIBER PLUG -AND- PLAY SOLUTIONS FOR DATA CENTER APPLICATIONS
Website: ... the thousands of cables that typically
comprise a data center should always be a high priority
for the data center or network manager —particularly for
maximizing system performance and uptime.
ADC’s ... includes plug -and- play
MPO solutions for TrueNet Fiber products for placement
in the main distribution area (MDA), backbone, and
horizontal and equipment distribution areas (HDA and
EDA). These...
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Tài liệu Notes for an Introductory Course On Electrical Machines and Drives E.G.Strangas MSU Electrical ppt
Ngày tải lên :
25/01/2014, 13:20
... basic concepts and build the equations and circuits corresponding
first to an ideal transformer and then to typical transformers in use. We’ll introduce and work with
the per unit system and will cover ... convention positive for an inductor, negative for
a capacitor.
The units for real power are, of course, W , for the apparent power V A and for the reactive power
V Ar.
TRANSFORMER TESTS 41
together, ... voltages, use complex impedances, currents
and voltages.
ã Notice two different and equally correct formulae for 3-phase power.
3
Transformers
Although transformers have no moving parts, they are...
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Tài liệu Chapter 9 Using Telephone and Cable Networks for Data Transmission pptx
Ngày tải lên :
16/02/2014, 20:20
... 300 and 3300 Hz, giving them a bandwidth of
between 300 and 3300 Hz, giving them a bandwidth of
3000 Hz. All this range is used for transmitting voice,
3000 Hz. All this range is used for ... technology.
Bandwidth
Sharing
CM and CMTS
Data Transmission Schemes: DOCSIS
Topics discussed in this section:
Topics discussed in this section:
9.14
Figure 9.8 The V.32 and V.32bis constellation and bandwidth
... 9.30
9-5 CABLE TV FOR DATA TRANSFER
9-5 CABLE TV FOR DATA TRANSFER
Cable companies are now competing with telephone
Cable companies are now competing with telephone
companies for the residential...
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Developing Data Management Policy and Guidance Documents for your NARSTO Program or Project ppt
Ngày tải lên :
07/03/2014, 02:20
... documentation, and sends the data to the
NARSTO Permanent Data Archive.
Learn about the Data Exchange Standard (DES) Format and Metadata.
Download the latest version of the Data Exchange Standard ... experimentalists, modelers, and data coordinators
responsible for generating and submitting data to a Project database,
creating other data products, and archiving these data.
Guidance Documents:
... Archive Data BACK TO TABLE
SCOPE: Project
PURPOSE: Advanced planning for archiving project data furthers efforts to
identify, collect, and report consistent data and metadata and
to facilitate...
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